Binary diffs for deb files

[Matt Zimmerman]

On Wed, May 03, 2006 at 12:39:16AM +0100, James Hall wrote:
> I have just written a script called recompress-deb. This will extract a
> deb, uncompress the gzipped files and preserve timestamps etc.
> 
> I recompressed two versions of the same app (as you would do if you
> needed to make it rsyncable). Making a patch on uncompressed data
> between these two files will preserve checksum when applied!
> 
> 1824626627 1040794 synaptic_new.deb
> 1824626627 1040794 synaptic_patched.deb
> 
> I have posted updated scripts at https://wiki.ubuntu.com/DiffDebScript 

Where are you getting the correct timestamps for the new versions of
control.tar and data.tar?  Does bsdiff/bspatch preserve those for you?

-- 
 - mdz